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Add documentation about the memory layout of Cell #106921

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Mar 11, 2023
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Add documentation about the memory layout of Cell #106921

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6 changes: 6 additions & 0 deletions library/core/src/cell.rs
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Expand Up @@ -209,6 +209,12 @@ pub use once::OnceCell;

/// A mutable memory location.
///
/// # Memory layout
///
/// `Cell<T>` has the same [memory layout and caveats as
/// `UnsafeCell<T>`](UnsafeCell#memory-layout). In particular, this means that
/// `Cell<T>` has the same in-memory representation as its inner type `T`.
///
/// # Examples
///
/// In this example, you can see that `Cell<T>` enables mutation inside an
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